电分段锚段关节两接触线间接触悬挂其他各带电部分的绝缘距离应符合设计要求,允许偏差±()mm。
A.10
B.20
C.30
D.50
参考答案:D
颅内压增高头痛的特点是()
A.夜间轻
B.喷嚏时减轻
C.咳嗽时减轻
D.低头时减轻
E.晨起较重
The children are having a party. Some are singing,and _ are dancing.[ ]
A. other
B. the other
C. others
D. another